What was found
THE NR 4 ENGINE SHUTDOWN IN FLIGHT DUE TO LOW OIL PRESSURE. MAIN OIL PUMP DRIVE SHAFT FAILED. REPLACED ENGINE.
- Difficulty date
- September 18, 1995
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N4717U
- Make and model
- Boeing 747122
- Aircraft serial
- 19878
- Engine
- Pwa JT9D7A
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Oil Pump Shaft
- Part number
- 804660
- Condition
- Failed
- Location
- Nr 4 Engine
- Stage of operation
- CR
- Nature of condition
- J
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.